From eaa11918b84c8486618b597489537043eeaccbe0 Mon Sep 17 00:00:00 2001
From: notaz <notasas@gmail.com>
Date: Sun, 23 Oct 2011 17:47:38 +0300
Subject: [PATCH] drc: detect dead gte reads too

---
 libpcsxcore/new_dynarec/new_dynarec.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libpcsxcore/new_dynarec/new_dynarec.c b/libpcsxcore/new_dynarec/new_dynarec.c
index b2eb21be..4b70f339 100644
--- a/libpcsxcore/new_dynarec/new_dynarec.c
+++ b/libpcsxcore/new_dynarec/new_dynarec.c
@@ -7015,6 +7015,8 @@ void unneeded_registers(int istart,int iend,int r)
     uu&=~(1LL<<us1[i]);
     uu&=~(1LL<<us2[i]);
     gte_u&=~gte_rs[i];
+    if(gte_rs[i]&&rt1[i]&&(unneeded_reg[i+1]&(1ll<<rt1[i])))
+      gte_u|=gte_rs[i];  // MFC2/CFC2 to dead register, unneeded
     // Source-target dependencies
     uu&=~(tdep<<dep1[i]);
     uu&=~(tdep<<dep2[i]);
-- 
2.39.2